Answer:
The answer is 50, the median. The median is the value where 50% of the data lie above and below.
how to convert 141 lbs to kg?
The conversion value of pounds to kilogram as per requirement is given by 141 pounds = ( 63.9576 ) kilograms.
Standard units pounds and kilograms are helpful in measuring the mass of the given object.One kilograms is equivalent to 2.20462 pounds.
This implies ,
⇒ 2.20462 pounds = 1 kilograms
Divide both the side by 2.20462 we get,
⇒( 2.20462 / 2.20462 ) pounds = ( 1 / 2.20462 ) kilograms
⇒ 1 pounds = ( 0.4536 ) kilograms
Now, Multiply both the side by 141 we get,
⇒ 141 pounds = ( 141 × 0.4536 ) kilograms
⇒ 141 pounds = ( 63.9576 ) kilograms
Therefore, the conversion factor of kilogram to pounds is 2.20462 this implies 141 pounds = ( 63.9576 ) kilograms .
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the probability of at least one head in two flips of a coin is
The probability of getting at least one head in two flips of a coin is 3/4 or 0.75, which means that there is a 75% chance of getting at least one head in two flips of a coin.
To find the probability of at least one head in two flips of a coin, we can use the complement rule. The complement of the event "at least one head" is "no heads."
The probability of getting no heads in two flips of a coin is (1/2) x (1/2) = 1/4.
Therefore, the probability of getting at least one head in two flips of a coin is:
1 - (probability of no heads) = 1 - 1/4 = 3/4
The probability of getting at least one head in two flips of a coin is 3/4 or 0.75, which means that there is a 75% chance of getting at least one head in two flips of a coin.
In other words, if you flip a coin twice, the probability of getting at least one head is relatively high, and you are more likely to get at least one head than to get no heads at all.
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Increase 85g by 120%
The value of 85g increased by 120% is equal to 187g.
What is Percentage ?In mathematics, a value or ratio that can be expressed as a fraction of 100 is known as a percentage. When determining a percentage of a number, we should first divide it by 100 before multiplying the result by 100. As a result, the proportion refers to a component per 100. The word "percent" denotes a percentage. The letter "%" stands for it.
Now in the given question ,
To increase 85g by 120%, we need to find 120% of 85g and add it to 85g.
To find 120% of 85g, we can first convert 120% to a decimal by dividing by 100:
120% = 120/100 = 1.2
Then we can multiply 1.2 by 85g:
1.2 x 85g = 102g
So, increasing 85g by 120% gives us:
85g + 102g = 187g
Therefore, 85g increased by 120% is equal to 187g.
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what is interval notation example ?
Interval notation is a way of representing a range of values on a number line. It is written using brackets and parentheses to indicate whether the endpoints are included or excluded from the interval.
For example, the interval notation for the range of values between 1 and 5 (inclusive) would be [1, 5]. The square brackets indicate that both 1 and 5 are included in the range.
If the endpoints are excluded, we use parentheses. For instance, the interval notation for the range of values between 1 and 5 (excluding 1 and 5) would be (1, 5).
In general, we use square brackets for closed intervals (where the endpoints are included) and parentheses for open intervals (where the endpoints are excluded).
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Two student clubs were selling t-shirts and school notebooks to raise money for an upcoming school event. In the first few minutes, club A sold 2 t-shirts and 3 notebooks, and made $20. Club B sold 2 t-shirts and 1 notebook, for a total of $8.
A matrix with 2 rows and 2 columns, where row 1 is 2 and 3 and row 2 is 2 and 1, is multiplied by matrix with 2 rows and 1 column, where row 1 is x and row 2 is y, equals a matrix with 2 rows and 1 column, where row 1 is 20 and row 2 is 8.
Use matrices to solve the equation and determine the cost of a t-shirt and the cost of a notebook. Show or explain all necessary steps.
Forming linear equations, the cost of a t-shirt and a notebook will be $1 and $6 respectively.
What is a linear equation, exactly?
When the greatest power of a variable is 1, the equation is said to be linear. Another term for it is a one-degree equation. The standard form of a linear equation with one variable is Ax + B = 0. There are three variables in this equation: x, A, and B. A denotes a coefficient. A linear equation with only two variables is commonly written as Ax + By = C. There are three more constants in addition to the constant C: the variables x and y, the coefficients A and B, and the variables.
Now,
Given that
club A sold 2 t-shirts and 3 notebooks, and made $20.
Club B sold 2 t-shirts and 1 notebook, for a total of $8.
Let x and y be the cost of t-shirt and notebook respectively
then 2x+3y=20--->1
and 2x+y=8 --->2 will be the equations formed.
Now subtracting 2 from 1
we get 2x-2x+3y-y=20-8
2y=12
y=6
then 2x+6=8
x=1
Hence,
the cost of a t-shirt and a notebook will be $1 and $6 respectively.
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Quadrilateral MNOP is similar to quadrilateral QRST. Find the measure of side TQ.
Round your answer to the nearest tenth. Figures are not drawn to scale.
HELPPPP
Quadrilateral MNOP is similar to quadrilateral QRST. The measure of side RS is approximately 39.2 units.
If two quadrilaterals are similar, their corresponding sides are in proportion. Therefore, we can set up a proportion between the corresponding sides of quadrilaterals MNOP and QRST as follows:
MN / QR = NO / ST = OP / RS
We are given the lengths of MN, NO, and OP, but we need to find the length of RS. We can solve for RS by rearranging the proportion as follows:
OP / RS = MN / QR
RS = OP / (MN / QR)
We can substitute the given values to get:
RS = 58 / (19 / 13)
Simplifying this expression gives:
RS = 58 * (13 / 19) = 39.241 ≈ 39.2
Therefore, the measure of side RS is approximately 39.2 units.
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____The given question is incomplete, the complete question is given below:
Quadrilateral MNOP is similar to quadrilateral QRST. Find the measure of side RS. Round your answer to the nearest tenth if necessary. Figures are not drawn to scale. QT =58, PM= 19 ON=13.
what is 4/1 = and what is 8/ =1
Answer:
4/1 = 4
8/1 = 8
Any number divided by 1 is always that number itself.
Solve the system of equations.
y = -7/3x+3
y = 5/3x-9
The solution to the given system of linear equations is: x =3, y= -4
Here we have 2 linear equations
(1) y = -7/3x + 3
(2) y = 5/3x - 9
Firstly we need to convert these equations into their simplest forms:
(1) 7/3x - y = 3
(2) -5/3x - y = -9
to calculate the value of x, we need to subtract both equations:
7/3x + 5/3x = 3 +9
12/3x = 12
4x = 12
x = 12/4
x = 3
Now, to solve for y, we need to put the value of x in the first equation
y = -7/3 ( 3) +3
y= -7 + 3
y = -4
Therefore, the solution to the system of linear equations is:
(x,y) = ( 3, -4)
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A teacher is monitoring how often students visit the website of the course during the day. She finds the following probability distribution. Find the expected number of visits to the course website.visits(x) 0 1 2 3probability 0.45 0.35 0.15 0.050.750.250.800.85
The expected number of visits to the course website.visits(x) 0 1 23probability 0.35.
What is probability?Probability is a mathematical study of outcomes in uncertain situation it is used to describe the like would have an event occurring and it can be expressed as the number between 0 to 1 probability is used to quantify the uncertainty associated with any given event it helps us understand how likely it is that something will happen and it can be used to make prediction about futures even probability theory is it of modern statistic and is widely used in fields such as finance economics and science.
Therefore, the probability of rolling at least one 3 when rolling two six-sided dice is 2 × 1/6, or 33.3%. This is because the probability of rolling a 3 on one die is independent of the probability of rolling a 3 on the other die. This means that the probability of rolling at least one 3 is equal to the sum of the probabilities of rolling a 3 on each of the two dice (1/6 + 1/6 = 2/6). As a result, the probability of rolling at least one 3 when rolling two six-sided dice is 33.3%.
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The three points (2,5),(3,8) and (-1,y) belong to the same line,find the value of y
well, we know the points are all colinear, so the slope from the 1st to the 2nd, will be the same as from the 2nd to the 3rd, same exact slope, hell let's check what's up
[tex](\stackrel{x_1}{2}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{8}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{8}-\stackrel{y1}{5}}}{\underset{\textit{\large run}} {\underset{x_2}{3}-\underset{x_1}{2}}} \implies \cfrac{ 3 }{ 1 } \implies 3[/tex]
ahaaa! that means that the slope of (3 , 8) and (-1 , y) is 3, hmmmm
[tex](\stackrel{x_1}{3}~,~\stackrel{y_1}{8})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{y}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{y}-\stackrel{y1}{8}}}{\underset{\textit{\large run}} {\underset{x_2}{-1}-\underset{x_1}{3}}} ~~ = ~~\stackrel{\stackrel{\textit{\small slope}}{\downarrow }}{ 3 }\implies \cfrac{y-8}{-4}=3 \\\\\\ y-8=-12\implies \boxed{y=-4}[/tex]
How to Calculate Z Scores?
The formula for calculating the z-score is z = (x-μ)/σ.
where x is the raw score, μ is the population mean, and σ is the population standard deviation. As the formula suggests, the Z-score is simply the raw score minus the population mean divided by the population standard deviation.
A positive Z-score indicates that the raw score is higher than the average. For example, a z-score of +1 is one standard deviation above the mean.
A negative z-score indicates that the raw score is below average. For example, a Z-score of -2 is two standard deviations below the mean.
Another way to interpret z-scores is to create a standard normal distribution (also known as the z-score distribution or probability distribution).
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¿Cuáles de las siguientes opciones tienen el mismo valor que el
, de
81
?
The correct answer is option B and it is equal to 30% of 81 because it shows 0.30 x 81.
We have to find that how much is equal to the 30% of 81.
We can use the percentage formula here and that is,
%age = Obtained value/total value x 100
Here in this case, we have to find the obtained value and the total value is 81 and the percentage that we are going to get is equal to 30.
So, putting all the values, we get,
obtained value = 30 x 81/100
obtained value = 0.30 x 81
Hence, the value 0.30 x 81 is equal to 30 % of 81. hence option B is the correct answer.
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Complete question - Which of the following options have the same value as 30% of 81?
A. 0.03 x 81
B. 0.3 x 81
C. 0.03 x 81
D. 3 x 81
Based on the problem statement, state the height, radius, and Pi to substitute into the volume formula to calculate the volume of the cone. What is the approximate volume of a cone with a height of 10 inches and a radius of 3 inches?
Radius r=
in
Height h=
in
Pi=
Need this by 5:00 PM (CST) THANK YOU ALL!
From the given information provided, the approximate volume of the cone is 94.24777 cubic inches.
The volume of a cone can be calculated using the formula V = (1/3) × π × r² × h, where "r" is the radius of the base of the cone, "h" is the height of the cone, and "π" is the mathematical constant approximately equal to 3.14159.
Radius r= 3 inches
Height h= 10 inches
π = 3.14159
Using the formula for the volume of a cone, V = (1/3) × π × r² × h, we can substitute the given values to calculate the volume of the cone:
V = (1/3) × 3.14159 × 3² × 10
V ≈ 94.24777 cubic inches
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I Need help plssssssss
Answer: 5, 6, 7, 8, 9, or the numbers 5-9 inclusive.
Step-by-step explanation: The Triangle Inequality Conjecture states that any two sides of a triangle added up will be larger than the third. To easily prove this, you can add the two smaller sides to see if it is bigger than the larger side. Using this conjecture, we can calculate that 5 works, 6 works, 7 works, 8 works (8 is larger than 7 so now we do 3+7), and 9 works.
Which equation represents the relationship between Stephanie’s age and Chris’s age?
Answer:
y = x + 8 (second option)
Step-by-step explanation:
If Chris's age is x , then Stephanie who is 8 years older should be x + 8
y = x + 8
Nolan works as a park ranger for Pine Ridge State Park, where he tracks the black bear population. He estimates that there are 140 black bears in the park today and that the population will increase by a factor of 1/5
each decade.
Write an exponential equation in the form y=a(b)x that can model the park's black bear population, y, in x decades.
Use whole numbers, decimals, or simplified fractions for the values of a and b.
To the nearest whole number, what is the park's predicted black bear population in 5 decades?
The black bear population at that national park in 25 years would be 2973 approx, according to the considered model.
How to evaluate a given mathematical expression with variables if values of the variables are known?
You can simply replace those variables with the value you know of them and then operate on those values to get a final value. This is the result of that expression at those values of the considered variables.
According to the model, the relationship between the elapsed time t, in years, since the beginning of the study, and the black bear population B(t) is:
B(t) = 2500 * 2^0.01t
Here, if we take t = 25 years elapsed, the value of B(t) comes out as:
B(25) = 2500 * 2^0.01*25
B(25) = 2973
Thus, the black bear population be at that national park in 25 years would be 2973 approx, according to the considered model.
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Answer:
B(25) = 2500 * 2^0.01*25
B(25) = 2973
Step-by-step explanation:
How likely is an event with a probability of 3/4?
1) unlikely
2) as likely as not
3) likely
4) certain
Answer:
3) Likely
Step-by-step explanation:
75% chance
What is the result 4 x 2 ?
The result of the given expression of multiplication 4 x 2 is equal to 8.
Let us consider the expression of multiplication is represented by 'y' .
y = 4 x 2
We can solve above expression in two ways to get the result
1. Addition method.
2. Product method.
First method :
Addition method is explained as :
4 times 2 means :
Four is added two times
4 + 4 which is equal to 8.
or
2 + 2 + 2 + 2 = 8
Second method :
Product method :
Four times two means:
Fours two's are eight.
Therefore, the result value of the multiplication expression 4 x 2 is equal to 8.
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special right triangles calculator
Online calculators can solve for sides, angles, area, and perimeter of special right triangles, such as 45-45-90 and 30-60-90.
There are numerous web-based number crunchers that can assist you with addressing exceptional right triangles, like the 45-45-90 and 30-60-90 triangles. A few instances of extraordinary right triangle mini-computers are:
Calculator.net: This site has a unique right triangle number cruncher that can settle for the sides, points, and area of 45-45-90 and 30-60-90 triangles.
Omni Number cruncher: This site has a unique right triangle mini-computer that can settle for the sides, points, region, and border of 45-45-90 and 30-60-90 triangles.
Mathsisfun.com: This site has an intelligent apparatus that can help you comprehend and address exceptional right triangles, including 45-45-90 and 30-60-90 triangles.
These adding machines can save you time and assist you with rapidly tackling extraordinary right triangles, particularly assuming that you are chipping away at calculation issues or developments.
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The complete question is:
Explain about special right triangles calculator.
(1 point) Let A be a matrix with linearly independent columns_ Which one of these statements must be true? You have only three attempts at this problem_ OA The equation Ax b has a solution for all b precisely when it has more columns than rows B. The equation Ax =b always has a solution for all b_ C. There is no easy way to tell if Ax = b has a solution for all b D: The equation Ax b has a solution for all b precisely when it has more rows than columns_ E: The equation Ax = b has a solution for all b precisely when it is a square matrix: F The equation Ax b never has a solution for all b_ none of the above
The statement that must be true is option (f) "The equation Ax = b has a solution for all b precisely when it has more columns than rows".
A matrix is a rectangular array of numbers, symbols, or expressions arranged in rows and columns.
This is because if the matrix has more columns than rows, then the system of equations cannot be underdetermined, meaning that there is a unique solution for the equation.
On the other hand, if the matrix has more rows than columns, then it is possible that the equation Ax = b could have no solutions, which would mean that it is an overdetermined system.
Furthermore, if the matrix is a square matrix, then it will have the same number of rows and columns, and it is possible that the equation Ax = b could have either one solution or no solutions.
Therefore, the statement "The equation Ax = b has a solution for all b precisely when it has more columns than rows" is the only one out of the six given that must be true
Hence the option (f) is correct.
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Complete the table.
f(x)=x²-x
X
2
4
6
8
Y
Answer:
X Y
2 2
4 12
6 30
8 56
Miss Richmond uses 4 tablespoons of cake mix and 2 tablespoons of water to make microwave mug cake. She wants to make a bigger amount to share with Mrs. St. Clair. If she uses 22 tablespoons of cake mix, how much water will she need to use? Select the 2 proportions that represent this situation.
1. 4/X = 2/22
2. x/2 = 22/4
3. 4/2 = 22/x
4. 2/22 = 4/x
Ans x/2 = 22/4
A word problem is a few sentences describing a "real-life" scenario where a problem needs to be solved using math.
To answer the question above, we equate the amount of cake mix initially to the amount of water needed to make a mug cake
4 tablespoons of cake mix = 2 tablespoons of water
we then equate the amount of cake mix in the final moment to the amount of water needed to make a mug cake
22 tablespoons of cake mix = X tablespoons of water
Now we divide both and these will give us the answer.
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A regular pentagon has an area of 118.25 square meters, and each side of the pentagon measures 4.3 meters.
What is the length of an apothem of the pentagon?
Answer: 11
Step-by-step explanation: Just took the test
The length of the apothem of the pentagon is approximately 11 meters.
What is a polygon?Polygon is defined as a geometric shape that is composed of 3 or more sides these sides are equal in length, and an equal measure of angle at the vertex,
Examples of polygons, equilateral triangles, squares, pentagons etc.
Here,
To solve this problem, we can use the formula for the area of a regular pentagon:
A = (5/2) × s × a
Where A is the area of the pentagon, s is the length of one side, and a is the apothem (the distance from the center of the pentagon to the midpoint of a side).
We know that the area of the pentagon is 118.25 square meters and the length of one side is 4.3 meters. We can substitute these values into the formula and solve for the apothem:
118.25 = (5/2) × 4.3 × a
Divide both sides by (5/2) x 4.3:
a = 118.25 / ((5/2) × 4.3)
= 118.25 / 10.75 ≈ 11 meters
Therefore, the length of the apothem of the pentagon is approximately 11 meters.
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how to find point of inflection
Step-by-step explanation:
They can be found by considering where the second derivative changes signs. In similar to critical points in the first derivative, inflection points will occur when the second derivative is either zero or undefined.
make me brainlist
car a leaves the grand canyon at noon. it travels at 80 mph, but stops at 3 pm for an hour. car b leaves the grand canyon at 2 pm and travels at 90 mph without stopping on the same route as car a. when does car b catch up with car a?
Answer:
Step-by-step explanation:
if the probability of a car starting on a cold morning is 0.6, and one has two such cars, what is the probability of at least one of the cars starting on a cold morning?
The probability of at least one of the cars starting on a cold morning is 0.84 or 84%.
Describe Probability?Probability is a branch of mathematics that deals with the study of random events and the likelihood of their occurrence. It is used to quantify the chances or odds of a particular event happening or not happening.
In probability theory, the probability of an event is represented as a number between 0 and 1, with 0 indicating that the event is impossible, and 1 indicating that the event is certain. The probability of an event that is neither impossible nor certain is represented by a number between 0 and 1, where a probability of 0.5 indicates that the event is equally likely to happen or not happen.
Probability can be calculated using various methods, including empirical or experimental probability, theoretical probability, and subjective probability. Empirical or experimental probability is based on observations or experiments, while theoretical probability is based on mathematical models or formulas. Subjective probability is based on personal beliefs or opinions.
Probability is used in many areas of study, including statistics, economics, engineering, and physics, among others. It is also used in everyday life, such as when making decisions or predicting outcomes. For example, probability can be used to determine the likelihood of winning a game of chance, the chances of an accident happening, or the probability of a disease occurring.
To find the probability of at least one of the two cars starting on a cold morning, we can use the complement rule, which says that the probability of an event happening is equal to 1 minus the probability of the event not happening.
In this case, the event of interest is at least one car starting on a cold morning. The complement of this event is neither car starting on a cold morning. The probability of neither car starting on a cold morning is:
0.4 * 0.4 = 0.16
Therefore, the probability of at least one car starting on a cold morning is:
1 - 0.16 = 0.84
So the probability of at least one of the cars starting on a cold morning is 0.84 or 84%.
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suppose that a flaw in a certain computer chip installed in computers was discovered that could result in a wrong answer when performing a division. the manufacturer initially claimed that the chance of any particular division being incorrect was only 1 in 11 billion, so that it would take thousands of years before a typical user encountered a mistake. however, statisticians are not typical users; some modern statistical techniques are so computationally intensive that a billion divisions over a short time period is not outside the realm of possibility. assuming that the 1 in 11 billion figure is correct and that results of different divisions are independent of one another, what is the probability that at least one error occurs in one billion divisions with this chip? (round your answer to four decimal places.)
In 1 billion, the probability of division being incorrect would be : {1/(11 x 10⁹)²}.
What is probability?In science, the probability of an event is a number that indicates how likely the event is to occur.
Given is that the manufacturer initially claimed that the chance of any particular division being incorrect was only 1 in 11 billion.
The probability of division being incorrect would be -
P{incorrect} = (1/11 x 10⁹)
In 11 billion, the probability of division being incorrect is (1/11 x 10⁹).
Then, in 1 billion, the probability of division being incorrect would be -
{1/(11 x 10⁹)²}
Therefore, in 1 billion, the probability of division being incorrect would be : {1/(11 x 10⁹)²}.
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Answer:
Step-by-step explanation:
0.0869
Please help me immediately
The exponent is 81.m⁴.n²⁰
Here we have to determine the sign for exponential or radical expression
[tex](-3mn^5)^4[/tex]
Now using the exponent power rule (aˣ)ⁿ = aˣⁿ =. We get
= 81.m⁴.n²⁰
Therefore the exponent as a product of power is 81.
What is an exponent?The number of times a number has been multiplied by itself is referred to as an exponent. For instance, the phrase "2 to the 3rd" (written as 23) means:
2 x 2 x 2 = 8.
23 and 2 x 3 = 6 are not equivalent.
Keep in mind that any number is itself when raised to the power of 1.
The outcome is always a fraction when the exponent is negative. A numerator and a denominator make up fractions. The numerator in this case is always 1. Assuming the negative exponent is positive, raise the number to that power to determine the denominator
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What’s the answer and what do the transformations look like on the graph?
Transformations on a graph refer to changes made to the graph that affect its appearance or position without changing its underlying structure or properties.
How to explain the transformationSome common transformations on a graph include:
Translation: This involves shifting the entire graph horizontally or vertically without changing its size or shape. For example, if a point on the graph is originally located at (2,3), a translation by (4,-1) would move it to (6,2).
Scaling: This involves enlarging or shrinking the entire graph uniformly in all directions. For example, a scaling factor of 2 would double the distance between all points on the graph, while a scaling factor of 0.5 would halve it.
Reflection: This involves flipping the graph across an axis, such as the x-axis or y-axis. Reflections can also be performed across other lines, such as y = x or y = -x.
An overview on transformation was given as the information is incomplete.
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How do you know when you have understood a math concept???????
